<template>
<div>
<!-- 面包屑导航区域 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
              <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
              <el-breadcrumb-item>商品管理</el-breadcrumb-item>
             <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
<!-- 卡片视图区域 -->
<el-card>
<!--搜索和添加按钮区域-->
<el-row :gutter="20">
<el-col :span="8">
<!--搜索和添加按钮区域-->
<el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
  <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
  </el-input>
</el-col>
<!--添加按钮区域-->
<el-col :span="4">
<el-button type="primary" @click="goAddPage">添加商品</el-button>
</el-col>
</el-row>
<!--table表格区域-->
<el-table :data="goodslist" border stripe>
<!--索引列-->
<el-table-column type="index"></el-table-column>
<el-table-column label="商品名称" prop="goods_name"></el-table-column>
<el-table-column label="商品价格(元)" prop="goods_price" width="120px"></el-table-column>
<el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
<el-table-column label="创建数量" prop="goods_number" width="70px"></el-table-column>
<el-table-column label="创建时间" prop="add_time" width="160px">
<template slot-scope="scope">
{{ scope.row.add_time | dataFormate }}
</template>
</el-table-column>
<el-table-column label="操作" width="130px">
<template slot-scope="scope">
<!--修改-->
<el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
<!--删除-->
<el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
</template>
</el-table-column>
</el-table>
<!--分页区域-->
 <el-pagination
 @size-change="handleSizeChange"
  @current-change="handleCurrentChange"
 :current-page="queryInfo.pagenum"
   :page-sizes="[5, 10, 15, 20]"
  :page-size="queryInfo.pagesize"
   layout="total, sizes, prev, pager, next, jumper"
   :total="total">
  </el-pagination>
</el-card>
</div>
</template>

<script>
export default {
  data () {
    return {
      // 查询参数
      queryInfo: {
        quer: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 数据总条数
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表数据失败')
      }
      // console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
      this.$message.success('获取商品列表数据成功')
    },
    // 监听pagesize发生变化时触发事件
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    // 监听页码值发生变化时触发事件
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    // 根据商品id删除对应商品
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if (confirmResult !== 'confirm') {
        return this.$message.info('您取消了本次删除操作')
      }
      // 发起请求删除商品
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    // 通过路由式导航跳转至添加商品页面
    goAddPage () {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>6
</style>
